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Bizzarrini Ersus. p. A. was an Italian automotive manufacturer inside the 1960s founded by previous Alfa Romeo, Ferrari and ISO engineer, Giotto Bizzarrini. The company built only a few highly developed and superior sport and racing automobiles before failing in 1969. Notable models include the particular 5300 GT Strada plus the P538S.Originally Prototipi Bizzarrini utes. r. l., the name was altered to Bizzarrini S. p. A. in 1966. The Bizzarrini marque may be revived with quite a few concept cars in the particular 2000s.Giotto Bizzarrini was delivered in Livorno, Italy in 1926. His father was a rich landowner who came from a family with solid roots in Tuscany and also the city of Livorno. His grandfather, also named Giotto Bizzarrini, was a biologist who had caused Guglielmo Marconi on his / her inventions, especially the radio, following which one on the Livorno Library sections has been named The Bizzarrini Collection.Bizzarrini graduated as an engineer within the University of Pisa within 1953. He taught briefly before joining Alfa Romeo in 1954. He worked for Alfa Romeo through 1954 to 1957. He began working pertaining to Ferrari in 1957, eventually becoming controller connected with experimental, Sports and GT auto development. He worked at Ferrari as a developer, designer, test driver, and chief engineer regarding five years. His developments there bundled the Ferrari 250 TR, the Ferrari 250 GT SWB (Limited Wheelbase Berlinetta or Berlinetta Passo Corto), and the 1962 Ferrari 250 GTO.

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Bizzarrini had been fired by Ferrari over the "palace revolt" of 1961. He became part connected with Automobili Turismo e Activity (ATS)), a company started by the ex-Ferrari engineers to develop a Formula 1 single seater plus a GT sport car, the A. T. S. Serenissima.One of ATS's financial backers, Count Giovanni Volpi, owner of Scuderia Serenissima, hired Bizzarrini to update a Ferrari 250 GT SWB, with chassis number #2819GT for you to GTO specifications. This resulted in this Ferrari 250 GT SWB Drogo also referred to as the "Breadvan".Bizzarrini's engineering company, Societa Autostar, was commissioned to layout a V-12 engine for any GT car to become built by another disappointed Ferrari customer, Ferruccio Lamborghini. Lamborghini considered the resulting engine to become too highly strung, and ordered that this be detuned.

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Bizzarrini worked since 1964 regarding Iso Rivolta and designed three models: Iso Rivolta GT, Iso Grifo both A3L and A3C versions. His work was in order to develop a pressed steel framework chassis for Iso automobiles. Renzo Rivolta hired him as consultant towards the Iso Gordon GT venture which became the Iso Rivolta GT. The Iso Gordon GT prototype was created from the Gordon-Keeble. The Gordon Keeble GT ended up being designed in 1960 simply by Giugiaro. Bizzarrini tested the vehicle and was impressed with the powerful V8 Corvette engine plus the rear De Dion tube for the GT:'Rivolta acquired me test the prototype. I liked its De Dion conduit and especially the Corvette powerplant. It was the first time I had driven one particular. It was superior to help Ferrari's engines, having the same power but having a more immediate throttle result. 'The Iso Rivolta GT seemed to be a Giugiaro designed some seater with beautiful physique, speed, comfort and handling, and was a profitable car for ISO using 799 units sold. Powered by a 327ci Chevrolet Corvette V8 engine that has a classic De Dion rear suspension design with pressed steel monocoque bodywork above pressed steel frame chassis. Unveiled to the press in 1963, production continued until 1970.The Iso Grifo A3L had been a monstrous idea for any super coupé, the L coming via Lusso. The result of your brilliant Giugiaro and Bizzarrini doing work together, it was based on the shortened Iso Rivolta GT chassis and was debuted for the 1963 Turin show. The Grifo epitomised your 1960s Italian style having its handsome low and large handmade bodywork. It was the best production car tested simply by Autocar Magazine in 1966 using a top speed of one hundred sixty mph (260 km/h). Later versions of the particular Grifo were powered by a big block Chevrolet Corvette 435 bhp (324 kW; 441 PS) serps. These 90 handbuilt units are distinguishable because of the raised "pagoda style" information bonnet. Some of these Iso Grifo 7 Litri devices were rebuilt later with even bigger engines.

The thought of Bizzarrini was to use the 3AL cars for competitors. The competition versions from the Grifo were named Iso Grifo A3C, C for Competizione or maybe Corsa. A new lightweight riveted aluminium body was designed along with built by Piero Drogo. It was an aggressively designed machine, oriented to endurance events. It uses normal ISO underpinnings even so the engine was moved further back the chassis frame versus Grifo A3L, protruding well into the particular driver's cabin, fitted with hot cams and fed by a number of big Weber carburettors, giving more than 400 bhp (298 kW; 406 PS).

All-around 29 A3C sport cars were built underneath the ISO name. Five of these 29 cars were bodied with plastic/fiberglass by Piero Drogo with Carrozzeria Sports Cars throughout Modena. A3Cs were widely raced. Some cars entered the actual 1964 and 1965 The Mans 24 hour, 1965 Nürburgring 1000 and 1965 Sebring. It achieved a The Mans class win in both years and a 9th overall in 1965 without any factory support. A3Cs were one of the fastest cars on LeMans' Mulsanne Immediately in both years.

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